on 21-04-2020 21:56
on 21-04-2020 22:00
You will revert back to your old tariff, but you could then uphrade to a different tariff only.
https://www.o2.co.uk/help/phones-sims-and-devices/our-change-of-mind-policy
on 21-04-2020 22:03
on 21-04-2020 22:16
on 21-04-2020 22:16
https://www.o2.co.uk/help/phones-sims-and-devices/our-returns-policy